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Ross 176 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Ross 176 b

Confirmed exoplanet · Super Earth

Ross 176 b

Orbiting Ross 176

Discovered in 2025 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of Ross 176 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,025
Method: Transit
Radius: 1.84 R⊕
Mass: 4.57 M⊕
Orbit: 5.006634 days
Distance: 46.4488 pc

Planet profile

Orbit and physical properties

Orbital period: 5.006634 days
Semi-major axis: 0.0464 AU
Eccentricity: 0.25
Radius: 1.84 Earth radii
Mass: 4.57 Earth masses
Mass provenance: Mass
Density: 4.03 g/cm³
Equilibrium temperature: 682 K
Insolation: 36.2 Earth flux

Host system

Star and system properties

Host star: Ross 176
Stars in system: 1
Known planets in system: 1
Spectral type: K7 V
Stellar temperature: 4,041 K
Stellar radius: 0.569 R☉
Stellar mass: 0.577 M☉
Stellar metallicity: -0.19 dex
Stellar age: 3 Gyr
Distance: 46.4488 parsecs
Right ascension: 20h22m45.54s
Declination: +47d18m31.03s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,025
Publication date: 2025-08
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from Ross 176 b.

Generic super earth catalog artwork; not a direct image of Ross 176 b — Apex Andromeda catalog artwork